Nominal | Accurate | % Natural | Chemical | Enrichment |
mass | mass | abundance | form | available % |
168 Yb | oxide | 22 - 42+ | ||
170 Yb | oxide | 72 - 83+ | ||
171 Yb | 170.936323 (3) | 14.3 (57) | oxide | 91 - 95+ |
172 Yb | 171.936378 (3) | 21.83 (67) | oxide | 95 - 97+ |
173 Yb | 172.938208 (3) | 16.13 (27) | oxide, metal | 85 - 92+ |
174 Yb | 173.938859 (3) | 31.8 (92) | oxide | 86 - 99+ |
176 Yb | 175.942564 (4) | 12.7 (41) | oxide | 96 - 99+ |
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